Oh My Tech!: Get a smart TV or Roku?

Should I buy a smart TV or a regular TV with a Roku player? It seems that price is not the issue, but perhaps you can explain other aspects that may help in the decision? Thanks. — Steven Snow.
Most new televisions today are known as “smart TVs,” which means they have a built-in computer processor and a Wi-Fi receiver that enable them to stream more movies, TV shows and music through downloadable apps.
This ability to have apps that can play different content was first available only through s...